05469000 DATA: Discharge Tables, 2004

Station list Available data
HENDERSON CREEK BASIN

05469000 HENDERSON CREEK NEAR OQUAWKA, IL


LOCATION.-- Lat 41°00'05", long 90°51'15" (NAD of 1927), in NE1/4SW1/4 sec.28, T.12 N., R.4 W., Henderson County, Hydrologic Unit 07080104, on left bank at downstream side of bridge on State Highway 94, 1 mi south of Bald Bluff, 6.5 mi northeast of Oquawka, and at mile 20.8.

DRAINAGE AREA.-- 432 mi².

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
	DISCHARGE: October 1934 to September 1996. October 1997 to current year. Prior to October 1938, published as Henderson River. Monthly discharge only for some periods, published in WSP 1308.
	STAGE: Water years 1994-1996;1998 to current year.
SURFACE-WATER QUALITY
	CHEMICAL: Water years 1978 to 1991. Additional chemical data for water years 1972-77 are published in Water-Resources Investigations 78-23 and 79-24 as site LD 02.
	SEDIMENT: April 1978 to September 1981.

REVISED RECORDS.-- WSP 1208: 1939, 1942-43, 1948. WSP 1308: 1935-38(M), 1941(M). WDR IL-75-1: Drainage area.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 541.21 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to Mar. 4, 1941, nonrecording gage at same site and datum.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 34,600 ft³/s, July 8, 1982, gage height, 31.05 ft; maximum gage height, 32.65 ft, July 25, 1993, discharge 30,800 ft³/s; minimum daily observed, 1.7 ft³/s, Sept. 22, 23, 1940.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 7,070 mg/L May 27, 1981; minimum daily mean, 6 mg/L Feb. 10, 11, 1981.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 33,900 tons Apr. 14, 1981; minimum daily, 0.87 tons Feb. 2-4, 1980.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.

Discharge, cubic feet per second, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	20	15	57	261	e130	215	465	285	980	146	73	70
2	15	26	52	263	e130	213	429	288	714	140	68	66
3	13	233	49	260	e130	184	396	277	610	186	66	61
4	11	189	50	245	e140	190	376	320	534	169	86	58
5	11	303	56	222	e150	666	362	303	479	159	104	54

6	11	189	59	e200	e170	714	351	282	441	145	75	49
7	11	97	65	e225	e180	520	342	262	411	156	61	46
8	11	66	56	e260	e190	432	315	251	373	139	55	44
9	16	55	73	e250	e180	390	301	245	342	123	57	42
10	18	51	2210	e240	e175	348	285	236	352	301	58	40

11	33	48	3700	e230	e170	326	276	235	610	317	54	37
12	17	45	1540	e220	e165	293	260	232	520	830	50	54
13	15	42	842	e210	e160	280	255	228	406	371	e48	53
14	28	40	693	e205	e155	280	250	241	e400	252	e46	51
15	60	39	612	e200	e150	272	242	256	e420	193	e44	115

16	46	35	577	e195	e140	271	237	237	353	160	e42	701
17	27	34	511	e190	e130	284	228	224	322	196	e48	324
18	21	161	474	e190	e120	339	217	258	299	171	52	185
19	18	406	432	e220	e130	332	210	297	279	132	175	138
20	16	188	370	e250	e200	309	208	282	262	119	134	118

21	15	126	394	e210	e600	281	319	272	268	110	84	103
22	14	101	386	e190	e450	259	323	277	280	167	66	95
23	14	91	363	e170	e475	260	252	392	245	299	53	88
24	14	106	332	e160	e500	271	240	354	221	181	60	87
25	15	95	287	e150	339	267	279	383	205	126	63	84

26	17	78	310	e140	244	328	275	521	194	110	116	75
27	28	73	292	e150	222	502	247	424	184	101	e100	68
28	18	67	314	e160	213	454	244	371	180	93	e130	66
29	16	59	314	e150	204	521	240	327	168	86	e160	63
30	17	59	291	e145	---	520	245	499	155	80	e120	52

31	17	---	274	e140	---	491	---	1410	---	78	e90	---

TOTAL	603	3117	16035	6301	6342	11012	8669	10469	11207	5836	2438	3087
MEAN	19.5	104	517	203	219	355	289	338	374	188	78.6	103
MAX	60	406	3700	263	600	714	465	1410	980	830	175	701
MIN	11	15	49	140	120	184	208	224	155	78	42	37
CFSM	0.05	0.24	1.20	0.47	0.51	0.82	0.67	0.78	0.86	0.44	0.18	0.24
IN.	0.05	0.27	1.38	0.54	0.55	0.95	0.75	0.90	0.97	0.50	0.21	0.27

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 2004, BY WATER YEAR (WY)
MEAN	148	174	183	241	369	453	493	491	466	309	142	130
MAX	1560	1189	1176	1265	1473	1752	1742	1829	1960	2967	1675	1222
(WY)	1942	1978	1983	1969	2001	1979	1973	1996	1974	1982	1993	1970
MIN	7.10	9.89	8.38	4.45	13.5	47.4	33.4	26.9	31.3	6.58	9.61	5.65
(WY)	1938	1938	1964	1940	1989	1956	1956	1989	1940	1936	1936	1940

SUMMARY STATISTICS	FOR 2003 CALENDAR YEAR		FOR 2004 WATER YEAR		WATER YEARS 1935 - 2004
ANNUAL TOTAL	73964		85116
ANNUAL MEAN	203		233		299
HIGHEST ANNUAL MEAN					1002	1993
LOWEST ANNUAL MEAN					50.9	1989
HIGHEST DAILY MEAN	3750	May 10	3700	Dec 11	25800	Jul 25 1993
LOWEST DAILY MEAN	11	Oct 4-8	11	Oct 4-8	1.7 A	B
ANNUAL SEVEN-DAY MINIMUM	12	Oct 2	12	Oct 2	2.1	Sep 17 1940
MAXIMUM PEAK FLOW			4070	Dec 11	34600 C	Jul 8 1982
MAXIMUM PEAK STAGE			24.28	Dec 11	32.65 D	Jul 25 1993
INSTANTANEOUS LOW FLOW			9.8	Oct 9
ANNUAL RUNOFF (CFSM)	0.469		0.538		0.693
ANNUAL RUNOFF (INCHES)	6.37		7.33		9.42
10 PERCENT EXCEEDS	422		432		668
50 PERCENT EXCEEDS	59		190		127
90 PERCENT EXCEEDS	17		40		19

	A - Observed.
	B - Sept. 22, 23, 1940.
	C - Gage height, 31.05 ft.
	D - Discharge, 30,800 ft³/s.